Finding the Fourth Proportional to 7,393,329.09, 10,202,429.79 and 4,129,494.03
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Solution
The fourth proportional to 7,393,329.09, 10,202,429.79 and 4,129,494.03 is: 5,698,498.25
Step by Step Solution
- Step 1: Write the proportion equation
7,393,329.09 : 10,202,429.79 = 4,129,494.03 : x - Step 2: Convert to fraction form
7,393,329.09/10,202,429.79 = 4,129,494.03/x - Step 3: Cross multiply
7,393,329.09x = 10,202,429.79 × 4,129,494.03 - Step 4: Simplify right side
7,393,329.09x = 42,130,872,909,299.15 - Step 5: Solve for x
x = 42,130,872,909,299.15/7,393,329.09 - Step 6: Final answer
x = 5,698,498.25
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.